*{
    margin: 0 auto;
    padding: 0;
}

#content{
    width: 400px;
    height: 500px;
    border: 1px solid gray;
   
}

#pic{
    width: 400px;
    height: 450px;
   
}
#pic img{
    width: 100%;
    height: 100%;
}

#list{
    width: 400px;
    height: 50px;
    
    list-style: none;
}
.item{
    width: 75px;
    height: 45px;
    background-color: pink;
    float: left;
    margin-left: 2.5px;
    margin-right: 2.5px;
    text-align: center;
    line-height: 45px;
}
.item:hover{
    background-color:aquamarine;
}

